package com.itheima.controller;

import com.alibaba.dubbo.config.annotation.Reference;
import com.itheima.constant.MessageConstant;
import com.itheima.entity.Result;
import com.itheima.service.MemberService;
import com.itheima.service.ReportService;
import com.itheima.service.SetmealService;
import net.sf.jasperreports.engine.*;
import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.FileInputStream;
import java.math.BigDecimal;
import java.text.SimpleDateFormat;
import java.util.*;

/**
 * 报表
 */
@RestController
@RequestMapping("/report")
public class ReportController {
    @Reference
    private MemberService memberService;
    @Reference
    private SetmealService setmealService;
    @Reference
    private ReportService reportService;


    //会员数量统计
    @RequestMapping("/getMemberReport")
    public Result getMemberReport() {
        Calendar calendar = Calendar.getInstance();
        calendar.add(Calendar.MONTH, -12);
        //获得当前日期之前12个月的日期
        List<String> list = new ArrayList<>();
        for (int i = 0; i < 12; i++) {
            calendar.add(Calendar.MONTH, 1);
            list.add(new SimpleDateFormat("yyyy.MM").format(calendar.getTime()));
        }
        Map<String, Object> map = new HashMap<>();
        map.put("months", list);
        List<Integer> memberCount = memberService.findMemberCountByMonth(list);
        map.put("memberCount", memberCount);
        return new Result(true, MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS, map);
    }

    //套餐饼图统计报表
    @RequestMapping("/getSetmealReport")
    public Result getSetmealReport() {

        List<Map<String, Object>> list = setmealService.findSetmealCount();

        Map<String, Object> map = new HashMap<>();
        map.put("setmealCount", list);

        List<String> setmealNames = new ArrayList<>();

        for (Map<String, Object> m : list) {
            String name = (String) m.get("name");
            setmealNames.add(name);
        }

        map.put("setmealNames", setmealNames);

        return new Result(true, MessageConstant.GET_SETMEAL_COUNT_REPORT_SUCCESS, map);
    }


    @RequestMapping("/getBusinessReportData")
    public Result getBusinessReportData() {
   /*     {
            "data":{
            "todayVisitsNumber":0,
            "reportDate":"2019-04-25",
            "todayNewMember":0,
            "thisWeekVisitsNumber":0,
            "thisMonthNewMember":2,
            "thisWeekNewMember":0,
            "totalMember":10,
            "thisMonthOrderNumber":2,
            "thisMonthVisitsNumber":0,
            "todayOrderNumber":0,
            "thisWeekOrderNumber":0,
            "hotSetmeal":[{
                "proportion":0.4545, "name":"粉红珍爱(女)升级TM12项筛查体检套 餐", "setmeal_count":5
            },{
                "proportion":0.1818, "name":"阳光爸妈升级肿瘤12项筛查体检套 餐", "setmeal_count":2
            },{
                "proportion":0.1818, "name":"珍爱高端升级肿瘤12项筛查", "setmeal_count":2
            },{
                "proportion":0.0909, "name":"孕前检查套餐", "setmeal_count":1
            } ],
            },
            "flag":true,
            "message":"获取运营统计数据成功"
        }*/


      /*  Map<String, Object> map = new HashMap<>();
        map.put("todayVisitsNumber", 86);
        map.put("reportDate", "2020-01-03");
        map.put("todayNewMember", 20);
        map.put("thisWeekVisitsNumber", 100);
        map.put("thisMonthNewMember", 500);
        map.put("thisWeekNewMember",300 );
        map.put("totalMember", 9998);
        map.put("thisMonthOrderNumber", 888);
        map.put("thisMonthVisitsNumber", 999);
        map.put("todayOrderNumber", 200);
        map.put("thisWeekOrderNumber", 886);


        Map<String, Object> map1 = new HashMap<>();
        Map<String, Object> map2 = new HashMap<>();
        Map<String, Object> map3 = new HashMap<>();
        Map<String, Object> map4 = new HashMap<>();

        map1.put("proportion", 0.4545);
        map1.put("name","粉红珍爱(女)升级TM12项筛查体检套餐" );
        map1.put("setmeal_count",5 );


        map2.put("proportion", 0.1818);
        map2.put("name", "阳光爸妈升级肿瘤12项筛查体检套餐");
        map2.put("setmeal_count", 2);

        map3.put("proportion", 0.1818);
        map3.put("name", "珍爱高端升级肿瘤12项筛查");
        map3.put("setmeal_count", 2);


        map4.put("proportion", 0.0909);
        map4.put("name", "孕前检查套餐");
        map4.put("setmeal_count", 1);

        List<Map> list = new ArrayList<>();
        list.add(map1);
        list.add(map2);
        list.add(map3);
        list.add(map4);
        map.put("hotSetmeal", list);*/


        try {
            Map<String, Object> map = reportService.getBusinessReport();
            return new Result(true, MessageConstant.GET_BUSINESS_REPORT_SUCCESS, map);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }


    /**
     * 导出报表
     */
    @RequestMapping("/exportBusinessReport")
    public Result exportBusinessReport(HttpServletRequest request, HttpServletResponse response) {


        try {
            //远程调用报表服务获取报表数据
            Map<String, Object> report = reportService.getBusinessReport();

            //取出返回的结果
            String reportDate = (String) report.get("reportDate");
            Integer todayNewMember = (Integer) report.get("todayNewMember");
            Integer totalMember = (Integer) report.get("totalMember");
            Integer thisWeekNewMember = (Integer) report.get("thisWeekNewMember");
            Integer thisMonthNewMember = (Integer) report.get("thisMonthNewMember");
            Integer todayOrderNumber = (Integer) report.get("todayOrderNumber");
            Integer thisWeekOrderNumber = (Integer) report.get("thisWeekOrderNumber");
            Integer thisMonthOrderNumber = (Integer) report.get("thisMonthOrderNumber");
            Integer todayVisitsNumber = (Integer) report.get("todayVisitsNumber");
            Integer thisWeekVisitsNumber = (Integer) report.get("thisWeekVisitsNumber");
            Integer thisMonthVisitsNumber = (Integer) report.get("thisMonthVisitsNumber");
            List<Map> hotSetmeal = (List<Map>) report.get("hotSetmeal");

            //获取模版文件的路径
            String templatePath = request.getSession().getServletContext().getRealPath("template") + File.separator + "report_template.xlsx";
            //读取模版文件并创建Excel对象
            XSSFWorkbook sheets = new XSSFWorkbook(new FileInputStream(new File(templatePath)));
            XSSFSheet sheet = sheets.getSheetAt(0);

            //写入数据
            XSSFRow row = sheet.getRow(2);
            row.getCell(5).setCellValue(reportDate);//日期

            row = sheet.getRow(4);
            row.getCell(5).setCellValue(todayNewMember);//新增会员数（本日）
            row.getCell(7).setCellValue(totalMember);//总会员数

            row = sheet.getRow(5);
            row.getCell(5).setCellValue(thisWeekNewMember);//本周新增会员数
            row.getCell(7).setCellValue(thisMonthNewMember);//本月新增会员数

            row = sheet.getRow(7);
            row.getCell(5).setCellValue(todayOrderNumber);// 今日预约数
            row.getCell(7).setCellValue(todayVisitsNumber);// 今日到诊数

            row = sheet.getRow(8);
            row.getCell(5).setCellValue(thisWeekOrderNumber);//本周预约数
            row.getCell(7).setCellValue(thisWeekVisitsNumber);//本周到诊数

            row = sheet.getRow(9);
            row.getCell(5).setCellValue(thisMonthOrderNumber);//本月预约数
            row.getCell(7).setCellValue(thisMonthVisitsNumber);//本月到诊数


            int rowNum = 12;
            //遍历写入套餐数据
            for (Map map : hotSetmeal) {
                String name = (String) map.get("name");
                Long setmeal_count = (Long) map.get("setmeal_count");
                BigDecimal proportion = (BigDecimal) map.get("proportion");
                row = sheet.getRow(rowNum++);
                row.getCell(4).setCellValue(name);//套餐名
                row.getCell(5).setCellValue(setmeal_count);//预约数量
                row.getCell(6).setCellValue(proportion.doubleValue());//占比
            }


            //两头流的方式下载
            ServletOutputStream out = response.getOutputStream();
            response.setContentType("application/vnd.ms-excel");
            response.setHeader("content-Disposition", "attachment;filename=report.xlsx");
            sheets.write(out);
            out.flush();
            out.close();
            sheets.close();

            return null;
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL, null);
        }

    }

    @RequestMapping("/exportBusinessReport4PDF")
    public Result exportBusinessReport4PDF(HttpServletRequest request,HttpServletResponse response) {

        try {
            Map<String, Object> result = reportService.getBusinessReport();
            //取出返回结果数据,将报表数据写入pdf
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");
            //动态获取末班文件的绝对磁盘路劲
            String jrxmlPath = request.getSession().getServletContext().getRealPath("template") + File.separator + "health_business3.jrxml";
            String jasperPath = request.getSession().getServletContext().getRealPath("template") + File.separator + "health_business3.jasper";
            //编译模版
            JasperCompileManager.compileReportToFile(jrxmlPath, jasperPath);
            //填充数据(使用javaBean填充)
            JasperPrint jasperPrint = JasperFillManager.fillReport(jasperPath, result, new JRBeanCollectionDataSource(hotSetmeal));
            ServletOutputStream out = response.getOutputStream();
            response.setContentType("application/pdf");
            response.setHeader("content-Disposition","attachment;filename=report.pdf" );
            //输出文件
            JasperExportManager.exportReportToPdfStream(jasperPrint, out);

            out.flush();
            out.close();

            return null;
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }


}
